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SI9243AEY Datasheet(PDF) 1 Page - Vishay Siliconix |
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SI9243AEY Datasheet(HTML) 1 Page - Vishay Siliconix |
1 / 5 page Si9243AEY Vishay Siliconix Document Number: 70788 S-02936—Rev. D, 22-Jan-01 www.vishay.com 1 Single-Ended Bus Transceiver FEATURES D Operating Power Supply Range 6 V v VBAT v 36 V D Reverse Battery Protection Down to VBAT w –24 V D Standby Mode With Very Low Current Consumption IBAT(SB) = 1 mA @ VDD = 0.5 V D Low Quiescent Current in OFF Condition IBAT = 120 mA and IDD v 10 mA D ISO 9141 Compatible D Overtemperature Shutdown Function For K Output D Defined K Output OFF for Open GND D Defined Receive Output Status for Open L or K Inputs D Defined K Output OFF for TX Input Open D 2-kV ESD D Typical Transmit Speeds of 200 kBaud DESCRIPTION The Si9243AEY is a monolithic bus transceiver designed to provide bidirectional serial communication in automotive diagnostic applications. The device incorporates protection against overvoltages and short circuits to VBAT. The transceiver pin is protected and can be driven beyond the VBAT voltage. The RX output is capable of driving CMOS or 1 LSTTL load. The Si9243AEY is built on the Vishay Siliconix BiC/DMOS process. This process supports bipolar transistors, CMOS, and DMOS. An epitaxial layer prevents latchup. The Si9243AEY is available in a 8-pin SO package and operates over the automotive temperature range (–40 to 125 _C). PIN CONFIGURATION AND FUNCTIONAL BLOCK DIAGRAM TX RXL K L + – L + – K + – VBAT/2 K Logic and Fault Detect Circuitry (See State Diagram and Truth Table) VBAT VDD GND RXK VDD VDD VDD |
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